etabs ppt1

7/27/2019 etabs ppt1

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How to make ETABS

models

Email: [email protected] : +2/012/6227563

Note : for intermediate student in computer program not beginner

Please any note call me to discuss it .
mailto:[email protected]:[email protected]


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Example :Our example residentialbuilding consist of 20story need to makeANALYSIS & DESIGNwith ETABS program :


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we choose default of program

Starting ETABS.

At start convert unit to the unit you work with

From file list

new model we get this massage


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Define the Grid. When chose default thiswindow appears

choose grid only

in our examplenumber of stories 20 story height 3m units kN -M


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Plan View / 3D View.

Your screen should

show one window

with a grid plan view

of your model and one

window with a grid

3D view of your

model.

Make sure the KN-M

is selected as your

units in the lower right

hand side of the

window.

Now is a good time to

save your model, so

click on the File/Save

and find a suitable

location for your file.


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Now import your DXF file from *file / import / DXF floor plan

Choose your file and open it


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Choose layers to

each element

(beams ,floors

,etc.)

Choose the story you insert

DXF in it


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Define the Materials.

Next, we will define the

materials used in the model.

Concrete 40 & 60 grade will

be used.

The two materials will be

defined in successive steps.

ClickMaterial Properties

from the Define pull down

menu.

ClickAdd New Material


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For concrete 40 N/mm-Type C40for the Material

Name.

-Select I sotropicfor the Type

of Material.

-Type 2.5for the Mass perunit Volume.

-Type 25for the Weight per

unit Volume.

-Type 28E06for the Modulus

of Elasticity.

-Type 0.2for Poissons Ratio.

-Type 9.900E-06for the

Coeff of Thermal Expansion.

-Select Concretefor the Type

of Design.

-Type 32000for fc.

-Type 460000for fy

-Type 460000for fys.

-ClickOK


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For concrete 60 N/mm

The difference here

Modulus of elasticity equal

0.2*60(grade ) + 20 = 32


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Define the columns.

Next, we will define the

concrete columns used in the

model. 25x80 cm columns

will be used.

The two concrete materials

defined in the previous step

will be used to define the

columns.

ClickDefine/FrameSections from the pull

down menu.

Select Add Rectangular.


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Define the 25x80 Cm column.

Type C25X80C60 as the

Section Name.

Select C60 as the

Material.

Type 0.8mfor the Depth.

Type 0.25m for Width.

ClickOK.

Cracked section

design


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Define the Shear walls.

Next, define the concrete shear

walls used in the model.

C60shear walls will be used.

The concrete material defined

earlier in the tutorial will be

used to define the shear walls.

ClickWall/Slab/Deck

Sections from the Define

pull down menu.

Select Add New Wallfrom the

Click to: menu.


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Define the C60 shear wall.

Type W25C60 as the Section Name.

Select C60 as the Material.

Type .25 for the Membrane Thickness.

Type .25 for the Bending Thickness.

Select Shell as the Type.

ClickOK.

Cracked section

design


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Define the slab.

Next, define the concrete slabs

used in the model.

C40slabs will be used.

ClickWall/Slab/Deck

Sections from the Define

pull down menu.

Select Add New slabfrom the

Click to: menu.


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Define the slab 22 cm post tension C40.

Type S22CMPT as the Section Name.

Select C40 as the Material.

Type .22 for the Membrane Thickness.

Type .22 for the Bending Thickness.

Select Shell as the Type.

ClickOK.

Important note:-

The slab is post tension so

there is no cracked section

design that mean no

modifiers


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Drawing & assigning column and shear wall

First drawing column Select the point u want to be a column

ClickExtrude points to lines from

Edit menu.

Type -3 for dz.

ClickOK.


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Assigning column sectionSelect the column

ClickFrame section from frame/line

From Edit menu.

Select C25x80.

ClickOK.


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Second drawing shear wall

-Select the lines u want to be a shear

wall

-ClickExtrude lines to Areas from

Edit menu.

-Type -3 fordz.

-clickDelete Source Objects.

ClickOK.


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Assigning shear wall sectionSelect the shear wall

Clickwall/slab/deck sectionfrom

shell/areaFromassignmenu..

Select W25C60.

ClickOK.

Save your model.


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Assigning Biers for wall sectionsSelect the shear wall each part alone

If the shear wall consist of HZ & VL

part (core) select HZ alone and VL

alone

Clickpier label from shell/area from

assign menu


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Each wall appears its name on it

etabs ppt1

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